Chainlink (LINK) has seen significant buying activity around the $16 price level, according to recent market data. On October 19th, a substantial purchase of over 54.47 million LINK tokens took place at this price point, as highlighted by cost basis heatmap shared by Ali Martinez. LINK is currently trading at $18, experiencing a 5% decline over the past 24 hours and a 3% weekly drop. Daily trading volume has reached $1.05 billion. }$, The concentration of activity around the $16 mark forms a crucial support zone on the chart, identified by Ali Martinez. This level has seen significant buying activity with a dense cluster of wallet transactions reflecting high token exchange in this range. .